01172nam0 2200265 i 450 VAN0005075420240806100453.97920060831d1961 |0itac50 bafreIT|||| |||||Sur les equations aux derivees partielles hyperboliques non-lineairesRomaCremonese1961144 p.23 cmIn testa al front.: Serge L. Sobolev35JxxElliptic equations and elliptic systems [MSC 2020]VANC022717MFRomaVANL000360SobolevSergej Lvovic1908-1989VANV03987450658Cremonese <editore>VANV108746650ITSOL20240906RICAVAN00050754BIBLIOTECA DEL DIPARTIMENTO DI MATEMATICA E FISICA08CONS 35-XX 4165 08 1731 I a 20060831 BIBLIOTECA DEL DIPARTIMENTO DI MATEMATICA E FISICA08PREST 35-XX 4165 08 1732 I b 20060831 Sur les équations aux dérivées partielles hyperboliques non-linéaires33789UNICAMPANIA